Anti-Stokes emission in LaAlO3 crystal doped with Tm3+ ions
Identifieur interne : 000683 ( Pascal/Checkpoint ); précédent : 000682; suivant : 000684Anti-Stokes emission in LaAlO3 crystal doped with Tm3+ ions
Auteurs : P. J. Deren [Pologne] ; Ph. Goldner [France] ; O. Guillot-Noël [France]Source :
- Journal of alloys and compounds [ 0925-8388 ] ; 2008.
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- topic : Dopage.
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Abstract
LaAlO3 single crystal doped with Tm3+ ions was investigated. After continuous wave excitation of the 3F2 level (at about 15,115cm-1) strong violet and UV light was observed which corresponds to the 1D2 → 3F4 (22,000 cm-1) and the 1D2→ 3H6 (27,700 cm-1) as well as the 3 P0 →3F4 (28,600 cm-1) transition, respectively. Emission and excitation spectra of the Stokes and anti-Stokes emission were measured. Excitation spectrum was compared with absorption one. Power dependence of the anti-Stokes emission was recorded and analyzed. Possible mechanisms of three or more photons excited state absorption (ESA) and cross-relaxation are discussed.
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crystal doped with Tm<sup>3+</sup>
ions</title>
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<s2>50-950 Wroclaw</s2>
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<author><name sortKey="Guillot Noel, O" sort="Guillot Noel, O" uniqKey="Guillot Noel O" first="O." last="Guillot-Noël">O. Guillot-Noël</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Anti-Stokes emission in LaAlO<sub>3</sub>
crystal doped with Tm<sup>3+</sup>
ions</title>
<author><name sortKey="Deren, P J" sort="Deren, P J" uniqKey="Deren P" first="P. J." last="Deren">P. J. Deren</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410</s1>
<s2>50-950 Wroclaw</s2>
<s3>POL</s3>
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<author><name sortKey="Goldner, Ph" sort="Goldner, Ph" uniqKey="Goldner P" first="Ph." last="Goldner">Ph. Goldner</name>
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<s3>FRA</s3>
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<region type="région" nuts="2">Île-de-France</region>
</placeName>
</affiliation>
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<author><name sortKey="Guillot Noel, O" sort="Guillot Noel, O" uniqKey="Guillot Noel O" first="O." last="Guillot-Noël">O. Guillot-Noël</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Chimie Appliquée de l'Etat Solide, CNRS-UMR 7574, ENSCP, 11 rue Curie</s1>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
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<imprint><date when="2008">2008</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aluminium oxide</term>
<term>Continuous wave</term>
<term>Cross relaxation</term>
<term>Doping</term>
<term>Energy-level transitions</term>
<term>Excitation spectrum</term>
<term>Excited states</term>
<term>Impurities</term>
<term>Lanthanum oxide</term>
<term>Monocrystals</term>
<term>Multi-photon processes</term>
<term>Perovskites</term>
<term>Photoluminescence</term>
<term>Thulium additions</term>
<term>Ultraviolet radiation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Processus n photons</term>
<term>Dopage</term>
<term>Onde entretenue</term>
<term>Rayonnement UV</term>
<term>Photoluminescence</term>
<term>Spectre excitation</term>
<term>Etat excité</term>
<term>Relaxation croisée</term>
<term>Transition niveau énergie</term>
<term>Impureté</term>
<term>Addition thulium</term>
<term>Oxyde de lanthane</term>
<term>Oxyde d'aluminium</term>
<term>Monocristal</term>
<term>Perovskites</term>
<term>LaAlO3</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Dopage</term>
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<front><div type="abstract" xml:lang="en">LaAlO<sub>3</sub>
single crystal doped with Tm<sup>3+</sup>
ions was investigated. After continuous wave excitation of the <sup>3</sup>
F<sub>2</sub>
level (at about 15,115cm<sup>-1</sup>
) strong violet and UV light was observed which corresponds to the <sup>1</sup>
D<sub>2</sub>
→ <sup>3</sup>
F<sub>4</sub>
(22,000 cm<sup>-1</sup>
) and the <sup>1</sup>
D<sub>2</sub>
→ <sup>3</sup>
H<sub>6</sub>
(27,700 cm<sup>-1</sup>
) as well as the <sup>3</sup>
P<sub>0</sub>
→<sup>3</sup>
F<sub>4</sub>
(28,600 cm<sup>-1</sup>
) transition, respectively. Emission and excitation spectra of the Stokes and anti-Stokes emission were measured. Excitation spectrum was compared with absorption one. Power dependence of the anti-Stokes emission was recorded and analyzed. Possible mechanisms of three or more photons excited state absorption (ESA) and cross-relaxation are discussed.</div>
</front>
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<fA11 i1="01" i2="1"><s1>DEREN (P. J.)</s1>
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<s2>50-950 Wroclaw</s2>
<s3>POL</s3>
<sZ>1 aut.</sZ>
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<fA14 i1="02"><s1>Laboratoire de Chimie Appliquée de l'Etat Solide, CNRS-UMR 7574, ENSCP, 11 rue Curie</s1>
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<fC01 i1="01" l="ENG"><s0>LaAlO<sub>3</sub>
single crystal doped with Tm<sup>3+</sup>
ions was investigated. After continuous wave excitation of the <sup>3</sup>
F<sub>2</sub>
level (at about 15,115cm<sup>-1</sup>
) strong violet and UV light was observed which corresponds to the <sup>1</sup>
D<sub>2</sub>
→ <sup>3</sup>
F<sub>4</sub>
(22,000 cm<sup>-1</sup>
) and the <sup>1</sup>
D<sub>2</sub>
→ <sup>3</sup>
H<sub>6</sub>
(27,700 cm<sup>-1</sup>
) as well as the <sup>3</sup>
P<sub>0</sub>
→<sup>3</sup>
F<sub>4</sub>
(28,600 cm<sup>-1</sup>
) transition, respectively. Emission and excitation spectra of the Stokes and anti-Stokes emission were measured. Excitation spectrum was compared with absorption one. Power dependence of the anti-Stokes emission was recorded and analyzed. Possible mechanisms of three or more photons excited state absorption (ESA) and cross-relaxation are discussed.</s0>
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<s5>06</s5>
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<s5>07</s5>
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<s5>07</s5>
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<s5>08</s5>
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<s5>10</s5>
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<s5>10</s5>
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<s5>11</s5>
</fC03>
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<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Addition thulium</s0>
<s5>12</s5>
</fC03>
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<s5>12</s5>
</fC03>
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<s5>17</s5>
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<s5>18</s5>
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<s5>18</s5>
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